Wire clamp and insulator holder



Sept. 18, 1928. 1,685,009

, S. J. SPEIR WIRE CLAMP AND INSULATOR HOLDER Filed July 2; 1927 3 Sheets-Sheet 1 ATTORN EY se ms, 1928. I 7 1,685,009

S. J. SPEIR WIRE CLAMP AND INSULATOR HOLDER Filed July 1927 5 Sheets-Sheet 2 l N V E N T OP Sept. 18, 1928. 1,685,009

' S. J. SPEIR WIRE CLAMP AND INSULATOR HOLDER Filed July 2, 1927 3 Sheets-Sheet 3 ay Z III I 1 mzvp ww INVENTOR ATTO R N EY Patented Sept. 18, 1928.,

UNITED STATES SEABORN JONES SIEIR, OF AUSTIN, TEXAS, ASSIGNOB OF ONE-HALF TO FERDINAND W. MENKING, FAYETTEVILLE, TEXAS.

WIRE CLAMP AND INSULATOR HOLDER.

Application flledJuly 2, 1927. Serial No. 203,232.

This invention relates to electrical conductorholders and its general object is to provide a combined clamp and insulator holder for conductors that not only threadedly receives an insulator but includes means for securely clamping the same thereon, with the result the insulator cannot work loose under strain or movement of the conductor which is also clampedto the insulator by a 1 portion of my device.

Another objectof the invention is to pro vide a conductor clamp and insulator holder, that is capable of being secured to a cross bar of a pole, in an easy and expeditious manner and so that casual disarrangement or displacement thereof is practically impossible.

' This invention also consists in certain other features of construction and in the combination and arrangement of the several parts, to be hereinafter fully described, illustrated in the accompanying drawings and specifically pointed out in the appended claims.

In describing my invention in detail, reference will be had to the accompanying drawings wherein like characters denote like or corresponding parts throughout the several views,-and in which: 7

Figure 1 is a side elevation of my invention and shows. the same in applied position to a cross bar of a pole and receiving a conductor wire.

. Figure 2 is a top plan view thereof.

Figure 3 is a sectional view taken on line 3-3of Figure 1. o

Figure 4 is a longitudinal sectional view taken through the device Figure 5 is a-perspective view showing the position assumed by the-clamping means before it is applied to a conductor.

Figure 6 is a top, plan view of the msulator holder perse.

' Figure 7 illustrates the application of slightly modified forms of the device to the cross arms of a pole.

Figure '8 is a rear elevation of one of the modified forms as shown in Figure 7 and which is adapted to replace the wooden pipe holders as suggested therein.

letter A indicates a fragmentary portion of a cross bar of a pole and towhich is secured the insulator holder which includes a flat elongated body strip 1 provided with spaced parallel openings 2 to receivesecuring bolts Referring to the drawings in detail, the

3 as clearly shown in Figures 1 and 2 of the drawings. Integrally formed with one end of thebody strip 1 is a curved arm 4 which terminates in parallelism With and above the planeof the body strip 1 and formed on said arm 4 is a threaded shank 5 arranged to overlie the body strip as best shown in Figure 4. The shank 5 is tapered in the usual manner and is adapted to receive an insulator B of the usual construction. Formed integral with the shank and at its juncture with the arm 4 is a substantially V -shaped projection 6 which extends rearwardly and upwardly from the shank in a mannerto provide a recess 7 for a purpose which will be presently apparent.

' The insulator B is threadedly secured to the shank 5 in the usual manner, and in order to prevent. casual displacement of the insulator B, and to fix a conductor thereto, I have provided a substantially bail shape member formed from wire and includes parallel arms 8 adapted to extend longitudinally of the insulator upon diametrically opposite sides thereof as best shown in Figure 2 and these arms 8 have formed on one end converging portions 9 which terminate into a straight part 10 to provide a bearing for receiving a spool 11 having a concaved outer surface so as to be snugly accommodated in the recess 7 as best shown in Figure 2 of the drawings. The arms 8 have their free ends bent outwardly at right angles upon themselves to provide conductor receiving portions 12, while fixed to the arms 8 adjacent their juncture with the portions 12 is a substantially U-shaped wire member 13 adapted to be received in the circumferential groove C of the insulator B, and the conductor which is indicated by the letter D is curved so as to be received in the remaining portion of the groove C and is held therein by winding the portions 12 thereabout as best shown in Figure 2.

It will be obvious fromthe above that I have provideda combined clamp and insulator holder that performs a dual function for securing the insulator B to the holder, as the insulator B is threadedly secured to the shank 5 and is further held in operative position thereon through the instrumentality of the bail which includes the arms 8 and the engagement of the spool 11 with its recess 7 as best shown in Figure 4 of the drawings. Again, the insulator holder is secured to the bar in a manner whereby lateral strain or constant movement ot the conduct will not displace the same nor will the ii. ulator 3 he displaced by such strain or movement. ll hile h re shown my insulator hold t fixed to a c u bar it of a pole, 1 want it undr it can be associated with any "ting means secured to a pole or otl er and it can be secured directly to the pole or any other place Where a device of this character needed.

In .l igure T l. have illustra d the application ot in holder in other tor is to the cross arms oi 's pole, and it will be noted that a pliiralit of bold oi the form just descrihr-d are fo med in parallelism 'ith a single strip is which is to be secured to the cross arms by bolts asshovvn. The upper cr arm in Figure 7 is arranged at an inclination and secured to the pole accordingly, so as to be properly braced, due to the fact that the conductors that are adapted to be secured to the holders of this cross arm are to mal-te a turn from their securing point. in an opposed direction to the angle oi" inclination of the cross arm.

For repairing old lines, I provide a strip holder as best shown in Figure and this holder includes the curved arm l, and the threaded shank 5 for receiving the insulator B which is secured thereto b the same means and in the same manner as in the other forms, but it will be noted that the arm has formed therewith and depending therefrom a ti -shaped strap 17 with aligned openings in its arms to receive a bolt and nut connection 18 for securing the holder to the lovver cross bar as shown in Figure T.

It thought from the foregoing description that the advantages and novel features of my invention will be readil v apparent.

I desire it to be understood that 1 may make changes in the construction and in the combination and arrangement of the sev eral parts, provided that such changes fall Within the scope or the appended claims.

What I claim is:

1. A device ot the character described comprising a curved arm, means for securing said arm to a supporting means, a threaded shank termed with said arm, a

projection extending from said shank and providing a recess at the pincture thereot with said arm, an insulator threaded on said shank and having a circumferential groove therein, means arranged in said groove and extending rearwardly of said insulator, means secured to the rearward portion of said means and received in said recess to cooperate with the first mentioned means to prevent longitudinal movement 01' said insulator, and means for securing a conductor to said iirst mentioned means and in said groove.

in insulator holder and Wire clamp of the character described comprising an arm, means for securing said arm to a cross arm of a pole, a tapered shank formed with the free end of said arm and b threaded, an insulator having a circumierential groove termed therein and adapted to be secured on said shank, a projection extending trom said shank and forming recess at the juncture or said shank with said arm, means securing a conductor to said insulator, and a spool secured to said means and being arranged in the recess to prevent longitudinal movement of said insulator on said shank.

3. All insulator holder and Wire. clamp ot the character described coin iirising a body strip adapted to be secured to a supporting means, a curved arm extending from adjacentone end thereof, a tapered shank formed with said arm and arranged in parallelism with said body strip, a threaded insulator having a circin'i'rferential groove formed therein and being threaded on said shank, a projection tormcd with said shank and extending rearwardly therefrom in a manner to provide a recess at the juncture oi the arm with said shank, means for securing a conductor to the insulator and the insulator to the shank and including pair o1 parallel arms, converging portions formed on said arms, a bearing formed with said converging portion, a spool on said bearing and being arranged insaid recess, right angle portions formed with said arms and being \v'apped around said conductor for holding the same in said groove, and a substantially tl-shaped member secured. to

said arms and being arranged in said groove.

1. An insulator holder and clamp of the character described comprising a flat body strip adapted to be secured to a support, arms formed on one strip and rising therefrom, a tapered shank for each arm and arranged in. parallelism with said strip, an insulator having a circiuniterential groove formed therein and being threaded on said shank, a projection errtending outwardly from said shank and torming a recess at the juncture of the shank with. the arm, and. means to prevent longitudinal movement of said insulator and including a pair of arms, converging portions formed with the pair of arms and terminating in straight portion providing a bearing, means mounted on said bearing and received in said recess to preventlongitudinal movement of said insulator on said shank, a substantially tl-shaped member secured to said pair of arms andarranged in said groove, and right angle portions formed with said pair of arms and adapted for securing a conductor in said groove.

An insulator holder and conductor clamp comprising a body strip provided with spaced parallel openings, means adapted to be arranged in said openings for securing said strip to a support, a curved arm formed with sald strip and extending from adjacent one end thereof, a threaded tapered shank formed with the free end of said arm, an insulator having a circumferential groove formed therein and being threadedlv received by said shank, a projection extending outwardly from the large end of said shank and forming a groove at the juncture 10 of the arm with the shank, means to prevent longitudinal movement of said insulator on its shank and including means ary ranged in said groove and recess respectively, and means formed with sald first men tioned means for securing a conductor in 15 s'. J. SPEIR. 

